<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
</head>
<body>
	<div id=all style="width:1050px ;height: 2000px;background-color: #C9C9C9;margin: 0 auto;position:relative;top:30px;">
		<div id="header" style="width: 1030px; height:100px;position:absolute;left: 10px;top:0px;background-color:white;">第一</div>
		<div id="left" style="height: 1000px;width: 200px; position:absolute;left: 10px;top:100px;background-color:white;">第二</div>
		<div id="right" style="height: 1000px;width: 810px; ;position:absolute;left: 230px;top:100px;background-color:#F4F4F4;">第三
			
		</div>
	</div>
</body>
</html>